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1044 lines
36 KiB
1044 lines
36 KiB
/* |
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* DXVA2 HW acceleration. |
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* |
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* copyright (c) 2010 Laurent Aimar |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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#include <assert.h> |
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#include <string.h> |
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#include <initguid.h> |
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|
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#include "libavutil/common.h" |
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#include "libavutil/log.h" |
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#include "libavutil/time.h" |
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|
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#include "avcodec.h" |
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#include "decode.h" |
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#include "dxva2_internal.h" |
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|
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/* define all the GUIDs used directly here, |
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to avoid problems with inconsistent dxva2api.h versions in mingw-w64 and different MSVC version */ |
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DEFINE_GUID(ff_DXVA2_ModeMPEG2_VLD, 0xee27417f, 0x5e28,0x4e65,0xbe,0xea,0x1d,0x26,0xb5,0x08,0xad,0xc9); |
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DEFINE_GUID(ff_DXVA2_ModeMPEG2and1_VLD, 0x86695f12, 0x340e,0x4f04,0x9f,0xd3,0x92,0x53,0xdd,0x32,0x74,0x60); |
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DEFINE_GUID(ff_DXVA2_ModeH264_E, 0x1b81be68, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5); |
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DEFINE_GUID(ff_DXVA2_ModeH264_F, 0x1b81be69, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5); |
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DEFINE_GUID(ff_DXVADDI_Intel_ModeH264_E, 0x604F8E68, 0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6); |
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DEFINE_GUID(ff_DXVA2_ModeVC1_D, 0x1b81beA3, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5); |
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DEFINE_GUID(ff_DXVA2_ModeVC1_D2010, 0x1b81beA4, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5); |
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DEFINE_GUID(ff_DXVA2_ModeHEVC_VLD_Main, 0x5b11d51b, 0x2f4c,0x4452,0xbc,0xc3,0x09,0xf2,0xa1,0x16,0x0c,0xc0); |
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DEFINE_GUID(ff_DXVA2_ModeHEVC_VLD_Main10,0x107af0e0, 0xef1a,0x4d19,0xab,0xa8,0x67,0xa1,0x63,0x07,0x3d,0x13); |
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DEFINE_GUID(ff_DXVA2_NoEncrypt, 0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5); |
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DEFINE_GUID(ff_GUID_NULL, 0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00); |
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DEFINE_GUID(ff_IID_IDirectXVideoDecoderService, 0xfc51a551,0xd5e7,0x11d9,0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02); |
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|
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typedef struct dxva_mode { |
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const GUID *guid; |
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enum AVCodecID codec; |
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// List of supported profiles, terminated by a FF_PROFILE_UNKNOWN entry. |
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// If NULL, don't check profile. |
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const int *profiles; |
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} dxva_mode; |
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|
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static const int prof_mpeg2_main[] = {FF_PROFILE_MPEG2_SIMPLE, |
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FF_PROFILE_MPEG2_MAIN, |
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FF_PROFILE_UNKNOWN}; |
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static const int prof_h264_high[] = {FF_PROFILE_H264_CONSTRAINED_BASELINE, |
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FF_PROFILE_H264_MAIN, |
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FF_PROFILE_H264_HIGH, |
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FF_PROFILE_UNKNOWN}; |
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static const int prof_hevc_main[] = {FF_PROFILE_HEVC_MAIN, |
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FF_PROFILE_UNKNOWN}; |
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static const int prof_hevc_main10[] = {FF_PROFILE_HEVC_MAIN_10, |
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FF_PROFILE_UNKNOWN}; |
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|
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static const dxva_mode dxva_modes[] = { |
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/* MPEG-2 */ |
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{ &ff_DXVA2_ModeMPEG2_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main }, |
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{ &ff_DXVA2_ModeMPEG2and1_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main }, |
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|
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/* H.264 */ |
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{ &ff_DXVA2_ModeH264_F, AV_CODEC_ID_H264, prof_h264_high }, |
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{ &ff_DXVA2_ModeH264_E, AV_CODEC_ID_H264, prof_h264_high }, |
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/* Intel specific H.264 mode */ |
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{ &ff_DXVADDI_Intel_ModeH264_E, AV_CODEC_ID_H264, prof_h264_high }, |
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|
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/* VC-1 / WMV3 */ |
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{ &ff_DXVA2_ModeVC1_D2010, AV_CODEC_ID_VC1 }, |
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{ &ff_DXVA2_ModeVC1_D2010, AV_CODEC_ID_WMV3 }, |
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{ &ff_DXVA2_ModeVC1_D, AV_CODEC_ID_VC1 }, |
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{ &ff_DXVA2_ModeVC1_D, AV_CODEC_ID_WMV3 }, |
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|
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/* HEVC/H.265 */ |
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{ &ff_DXVA2_ModeHEVC_VLD_Main10, AV_CODEC_ID_HEVC, prof_hevc_main10 }, |
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{ &ff_DXVA2_ModeHEVC_VLD_Main, AV_CODEC_ID_HEVC, prof_hevc_main }, |
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|
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{ NULL, 0 }, |
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}; |
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|
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static int dxva_get_decoder_configuration(AVCodecContext *avctx, |
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const void *cfg_list, |
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unsigned cfg_count) |
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{ |
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FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
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unsigned i, best_score = 0; |
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int best_cfg = -1; |
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|
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for (i = 0; i < cfg_count; i++) { |
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unsigned score; |
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UINT ConfigBitstreamRaw; |
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GUID guidConfigBitstreamEncryption; |
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|
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#if CONFIG_D3D11VA |
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if (sctx->pix_fmt == AV_PIX_FMT_D3D11) { |
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D3D11_VIDEO_DECODER_CONFIG *cfg = &((D3D11_VIDEO_DECODER_CONFIG *)cfg_list)[i]; |
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ConfigBitstreamRaw = cfg->ConfigBitstreamRaw; |
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guidConfigBitstreamEncryption = cfg->guidConfigBitstreamEncryption; |
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} |
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#endif |
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#if CONFIG_DXVA2 |
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if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
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DXVA2_ConfigPictureDecode *cfg = &((DXVA2_ConfigPictureDecode *)cfg_list)[i]; |
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ConfigBitstreamRaw = cfg->ConfigBitstreamRaw; |
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guidConfigBitstreamEncryption = cfg->guidConfigBitstreamEncryption; |
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} |
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#endif |
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|
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if (ConfigBitstreamRaw == 1) |
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score = 1; |
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else if (avctx->codec_id == AV_CODEC_ID_H264 && ConfigBitstreamRaw == 2) |
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score = 2; |
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else |
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continue; |
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if (IsEqualGUID(&guidConfigBitstreamEncryption, &ff_DXVA2_NoEncrypt)) |
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score += 16; |
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if (score > best_score) { |
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best_score = score; |
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best_cfg = i; |
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} |
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} |
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|
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if (!best_score) { |
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av_log(avctx, AV_LOG_VERBOSE, "No valid decoder configuration available\n"); |
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return AVERROR(EINVAL); |
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} |
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|
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return best_cfg; |
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} |
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|
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#if CONFIG_D3D11VA |
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static int d3d11va_validate_output(void *service, GUID guid, void *surface_format) |
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{ |
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HRESULT hr; |
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BOOL is_supported = FALSE; |
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hr = ID3D11VideoDevice_CheckVideoDecoderFormat((ID3D11VideoDevice *)service, |
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&guid, |
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*(DXGI_FORMAT *)surface_format, |
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&is_supported); |
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return SUCCEEDED(hr) && is_supported; |
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} |
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#endif |
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|
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#if CONFIG_DXVA2 |
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static int dxva2_validate_output(void *decoder_service, GUID guid, void *surface_format) |
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{ |
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HRESULT hr; |
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int ret = 0; |
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unsigned j, target_count; |
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D3DFORMAT *target_list; |
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hr = IDirectXVideoDecoderService_GetDecoderRenderTargets((IDirectXVideoDecoderService *)decoder_service, &guid, &target_count, &target_list); |
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if (SUCCEEDED(hr)) { |
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for (j = 0; j < target_count; j++) { |
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const D3DFORMAT format = target_list[j]; |
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if (format == *(D3DFORMAT *)surface_format) { |
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ret = 1; |
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break; |
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} |
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} |
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CoTaskMemFree(target_list); |
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} |
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return ret; |
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} |
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#endif |
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|
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static int dxva_check_codec_compatibility(AVCodecContext *avctx, const dxva_mode *mode) |
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{ |
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if (mode->codec != avctx->codec_id) |
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return 0; |
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|
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if (mode->profiles && !(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) { |
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int i, found = 0; |
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for (i = 0; mode->profiles[i] != FF_PROFILE_UNKNOWN; i++) { |
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if (avctx->profile == mode->profiles[i]) { |
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found = 1; |
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break; |
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} |
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} |
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if (!found) |
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return 0; |
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} |
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|
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return 1; |
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} |
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|
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static void dxva_list_guids_debug(AVCodecContext *avctx, void *service, |
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unsigned guid_count, const GUID *guid_list) |
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{ |
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FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
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int i; |
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|
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av_log(avctx, AV_LOG_VERBOSE, "Decoder GUIDs reported as supported:\n"); |
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for (i = 0; i < guid_count; i++) { |
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const GUID *guid = &guid_list[i]; |
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|
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av_log(avctx, AV_LOG_VERBOSE, |
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"{%8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x}", |
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(unsigned) guid->Data1, guid->Data2, guid->Data3, |
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guid->Data4[0], guid->Data4[1], |
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guid->Data4[2], guid->Data4[3], |
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guid->Data4[4], guid->Data4[5], |
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guid->Data4[6], guid->Data4[7]); |
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|
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#if CONFIG_D3D11VA |
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if (sctx->pix_fmt == AV_PIX_FMT_D3D11) { |
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DXGI_FORMAT format; |
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// We don't know the maximum valid DXGI_FORMAT, so use 200 as |
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// arbitrary upper bound (that could become outdated). |
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for (format = 0; format < 200; format++) { |
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if (d3d11va_validate_output(service, *guid, &format)) |
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av_log(avctx, AV_LOG_VERBOSE, " %d", (int)format); |
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} |
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} |
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#endif |
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#if CONFIG_DXVA2 |
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if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
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const D3DFORMAT formats[] = {MKTAG('N', 'V', '1', '2'), |
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MKTAG('P', '0', '1', '0')}; |
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int i; |
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for (i = 0; i < FF_ARRAY_ELEMS(formats); i++) { |
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if (dxva2_validate_output(service, *guid, &formats[i])) |
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av_log(avctx, AV_LOG_VERBOSE, " %d", i); |
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} |
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} |
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#endif |
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av_log(avctx, AV_LOG_VERBOSE, "\n"); |
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} |
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} |
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|
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static int dxva_get_decoder_guid(AVCodecContext *avctx, void *service, void *surface_format, |
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unsigned guid_count, const GUID *guid_list, GUID *decoder_guid) |
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{ |
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FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
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unsigned i, j; |
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|
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dxva_list_guids_debug(avctx, service, guid_count, guid_list); |
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|
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*decoder_guid = ff_GUID_NULL; |
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for (i = 0; dxva_modes[i].guid; i++) { |
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const dxva_mode *mode = &dxva_modes[i]; |
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int validate; |
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if (!dxva_check_codec_compatibility(avctx, mode)) |
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continue; |
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|
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for (j = 0; j < guid_count; j++) { |
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if (IsEqualGUID(mode->guid, &guid_list[j])) |
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break; |
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} |
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if (j == guid_count) |
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continue; |
|
|
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#if CONFIG_D3D11VA |
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if (sctx->pix_fmt == AV_PIX_FMT_D3D11) |
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validate = d3d11va_validate_output(service, *mode->guid, surface_format); |
|
#endif |
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#if CONFIG_DXVA2 |
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if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) |
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validate = dxva2_validate_output(service, *mode->guid, surface_format); |
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#endif |
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if (validate) { |
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*decoder_guid = *mode->guid; |
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break; |
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} |
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} |
|
|
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if (IsEqualGUID(decoder_guid, &ff_GUID_NULL)) { |
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av_log(avctx, AV_LOG_VERBOSE, "No decoder device for codec found\n"); |
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return AVERROR(EINVAL); |
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} |
|
|
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if (IsEqualGUID(decoder_guid, &ff_DXVADDI_Intel_ModeH264_E)) |
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sctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO; |
|
|
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return 0; |
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} |
|
|
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static void bufref_free_interface(void *opaque, uint8_t *data) |
|
{ |
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IUnknown_Release((IUnknown *)opaque); |
|
} |
|
|
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static AVBufferRef *bufref_wrap_interface(IUnknown *iface) |
|
{ |
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return av_buffer_create((uint8_t*)iface, 1, bufref_free_interface, iface, 0); |
|
} |
|
|
|
#if CONFIG_DXVA2 |
|
|
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static int dxva2_get_decoder_configuration(AVCodecContext *avctx, const GUID *device_guid, |
|
const DXVA2_VideoDesc *desc, |
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DXVA2_ConfigPictureDecode *config) |
|
{ |
|
FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
|
unsigned cfg_count; |
|
DXVA2_ConfigPictureDecode *cfg_list; |
|
HRESULT hr; |
|
int ret; |
|
|
|
hr = IDirectXVideoDecoderService_GetDecoderConfigurations(sctx->dxva2_service, device_guid, desc, NULL, &cfg_count, &cfg_list); |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n"); |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count); |
|
if (ret >= 0) |
|
*config = cfg_list[ret]; |
|
CoTaskMemFree(cfg_list); |
|
return ret; |
|
} |
|
|
|
static int dxva2_create_decoder(AVCodecContext *avctx) |
|
{ |
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FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
|
GUID *guid_list; |
|
unsigned guid_count; |
|
GUID device_guid; |
|
D3DFORMAT surface_format = avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ? |
|
MKTAG('P', '0', '1', '0') : MKTAG('N', 'V', '1', '2'); |
|
DXVA2_VideoDesc desc = { 0 }; |
|
DXVA2_ConfigPictureDecode config; |
|
HRESULT hr; |
|
int ret; |
|
HANDLE device_handle; |
|
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data; |
|
AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx; |
|
AVDXVA2DeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx; |
|
|
|
hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr, |
|
&device_handle); |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to open a device handle\n"); |
|
goto fail; |
|
} |
|
|
|
hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr, device_handle, |
|
&ff_IID_IDirectXVideoDecoderService, |
|
(void **)&sctx->dxva2_service); |
|
IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, device_handle); |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to create IDirectXVideoDecoderService\n"); |
|
goto fail; |
|
} |
|
|
|
hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(sctx->dxva2_service, &guid_count, &guid_list); |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder device GUIDs\n"); |
|
goto fail; |
|
} |
|
|
|
ret = dxva_get_decoder_guid(avctx, sctx->dxva2_service, &surface_format, |
|
guid_count, guid_list, &device_guid); |
|
CoTaskMemFree(guid_list); |
|
if (ret < 0) { |
|
goto fail; |
|
} |
|
|
|
desc.SampleWidth = avctx->coded_width; |
|
desc.SampleHeight = avctx->coded_height; |
|
desc.Format = surface_format; |
|
|
|
ret = dxva2_get_decoder_configuration(avctx, &device_guid, &desc, &config); |
|
if (ret < 0) { |
|
goto fail; |
|
} |
|
|
|
hr = IDirectXVideoDecoderService_CreateVideoDecoder(sctx->dxva2_service, &device_guid, |
|
&desc, &config, frames_hwctx->surfaces, |
|
frames_hwctx->nb_surfaces, &sctx->dxva2_decoder); |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to create DXVA2 video decoder\n"); |
|
goto fail; |
|
} |
|
|
|
sctx->dxva2_config = config; |
|
|
|
sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->dxva2_decoder); |
|
if (!sctx->decoder_ref) |
|
return AVERROR(ENOMEM); |
|
|
|
return 0; |
|
fail: |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
#endif |
|
|
|
#if CONFIG_D3D11VA |
|
|
|
static int d3d11va_get_decoder_configuration(AVCodecContext *avctx, |
|
ID3D11VideoDevice *video_device, |
|
const D3D11_VIDEO_DECODER_DESC *desc, |
|
D3D11_VIDEO_DECODER_CONFIG *config) |
|
{ |
|
unsigned cfg_count = 0; |
|
D3D11_VIDEO_DECODER_CONFIG *cfg_list = NULL; |
|
HRESULT hr; |
|
int i, ret; |
|
|
|
hr = ID3D11VideoDevice_GetVideoDecoderConfigCount(video_device, desc, &cfg_count); |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n"); |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
cfg_list = av_malloc_array(cfg_count, sizeof(D3D11_VIDEO_DECODER_CONFIG)); |
|
if (cfg_list == NULL) |
|
return AVERROR(ENOMEM); |
|
for (i = 0; i < cfg_count; i++) { |
|
hr = ID3D11VideoDevice_GetVideoDecoderConfig(video_device, desc, i, &cfg_list[i]); |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations. (hr=0x%lX)\n", hr); |
|
av_free(cfg_list); |
|
return AVERROR(EINVAL); |
|
} |
|
} |
|
|
|
ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count); |
|
if (ret >= 0) |
|
*config = cfg_list[ret]; |
|
av_free(cfg_list); |
|
return ret; |
|
} |
|
|
|
static DXGI_FORMAT d3d11va_map_sw_to_hw_format(enum AVPixelFormat pix_fmt) |
|
{ |
|
switch (pix_fmt) { |
|
case AV_PIX_FMT_NV12: return DXGI_FORMAT_NV12; |
|
case AV_PIX_FMT_P010: return DXGI_FORMAT_P010; |
|
case AV_PIX_FMT_YUV420P: return DXGI_FORMAT_420_OPAQUE; |
|
default: return DXGI_FORMAT_UNKNOWN; |
|
} |
|
} |
|
|
|
static int d3d11va_create_decoder(AVCodecContext *avctx) |
|
{ |
|
FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
|
GUID *guid_list; |
|
unsigned guid_count, i; |
|
GUID decoder_guid; |
|
D3D11_VIDEO_DECODER_DESC desc = { 0 }; |
|
D3D11_VIDEO_DECODER_CONFIG config; |
|
AVHWFramesContext *frames_ctx = (AVHWFramesContext *)avctx->hw_frames_ctx->data; |
|
AVD3D11VADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx; |
|
AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx; |
|
DXGI_FORMAT surface_format = d3d11va_map_sw_to_hw_format(frames_ctx->sw_format); |
|
D3D11_TEXTURE2D_DESC texdesc; |
|
HRESULT hr; |
|
int ret; |
|
|
|
if (!frames_hwctx->texture) { |
|
av_log(avctx, AV_LOG_ERROR, "AVD3D11VAFramesContext.texture not set.\n"); |
|
return AVERROR(EINVAL); |
|
} |
|
ID3D11Texture2D_GetDesc(frames_hwctx->texture, &texdesc); |
|
|
|
guid_count = ID3D11VideoDevice_GetVideoDecoderProfileCount(device_hwctx->video_device); |
|
guid_list = av_malloc_array(guid_count, sizeof(*guid_list)); |
|
if (guid_list == NULL || guid_count == 0) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to get the decoder GUIDs\n"); |
|
av_free(guid_list); |
|
return AVERROR(EINVAL); |
|
} |
|
for (i = 0; i < guid_count; i++) { |
|
hr = ID3D11VideoDevice_GetVideoDecoderProfile(device_hwctx->video_device, i, &guid_list[i]); |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder GUID %d\n", i); |
|
av_free(guid_list); |
|
return AVERROR(EINVAL); |
|
} |
|
} |
|
|
|
ret = dxva_get_decoder_guid(avctx, device_hwctx->video_device, &surface_format, |
|
guid_count, guid_list, &decoder_guid); |
|
av_free(guid_list); |
|
if (ret < 0) |
|
return AVERROR(EINVAL); |
|
|
|
desc.SampleWidth = avctx->coded_width; |
|
desc.SampleHeight = avctx->coded_height; |
|
desc.OutputFormat = surface_format; |
|
desc.Guid = decoder_guid; |
|
|
|
ret = d3d11va_get_decoder_configuration(avctx, device_hwctx->video_device, &desc, &config); |
|
if (ret < 0) |
|
return AVERROR(EINVAL); |
|
|
|
sctx->d3d11_views = av_mallocz_array(texdesc.ArraySize, sizeof(sctx->d3d11_views[0])); |
|
if (!sctx->d3d11_views) |
|
return AVERROR(ENOMEM); |
|
sctx->nb_d3d11_views = texdesc.ArraySize; |
|
|
|
for (i = 0; i < sctx->nb_d3d11_views; i++) { |
|
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc = { |
|
.DecodeProfile = decoder_guid, |
|
.ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D, |
|
.Texture2D = { |
|
.ArraySlice = i, |
|
} |
|
}; |
|
hr = ID3D11VideoDevice_CreateVideoDecoderOutputView(device_hwctx->video_device, |
|
(ID3D11Resource*) frames_hwctx->texture, |
|
&viewDesc, |
|
(ID3D11VideoDecoderOutputView**) &sctx->d3d11_views[i]); |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Could not create the decoder output view %d\n", i); |
|
return AVERROR_UNKNOWN; |
|
} |
|
} |
|
|
|
hr = ID3D11VideoDevice_CreateVideoDecoder(device_hwctx->video_device, &desc, |
|
&config, &sctx->d3d11_decoder); |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to create D3D11VA video decoder\n"); |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
sctx->d3d11_config = config; |
|
sctx->d3d11_texture = frames_hwctx->texture; |
|
|
|
sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->d3d11_decoder); |
|
if (!sctx->decoder_ref) |
|
return AVERROR(ENOMEM); |
|
|
|
return 0; |
|
} |
|
|
|
#endif |
|
|
|
static void ff_dxva2_lock(AVCodecContext *avctx) |
|
{ |
|
#if CONFIG_D3D11VA |
|
if (ff_dxva2_is_d3d11(avctx)) { |
|
FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
|
AVDXVAContext *ctx = DXVA_CONTEXT(avctx); |
|
if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE) |
|
WaitForSingleObjectEx(D3D11VA_CONTEXT(ctx)->context_mutex, INFINITE, FALSE); |
|
if (sctx->device_ctx) { |
|
AVD3D11VADeviceContext *hwctx = sctx->device_ctx->hwctx; |
|
hwctx->lock(hwctx->lock_ctx); |
|
} |
|
} |
|
#endif |
|
} |
|
|
|
static void ff_dxva2_unlock(AVCodecContext *avctx) |
|
{ |
|
#if CONFIG_D3D11VA |
|
if (ff_dxva2_is_d3d11(avctx)) { |
|
FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
|
AVDXVAContext *ctx = DXVA_CONTEXT(avctx); |
|
if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE) |
|
ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex); |
|
if (sctx->device_ctx) { |
|
AVD3D11VADeviceContext *hwctx = sctx->device_ctx->hwctx; |
|
hwctx->unlock(hwctx->lock_ctx); |
|
} |
|
} |
|
#endif |
|
} |
|
|
|
int ff_dxva2_common_frame_params(AVCodecContext *avctx, |
|
AVBufferRef *hw_frames_ctx) |
|
{ |
|
AVHWFramesContext *frames_ctx = (AVHWFramesContext *)hw_frames_ctx->data; |
|
AVHWDeviceContext *device_ctx = frames_ctx->device_ctx; |
|
int surface_alignment, num_surfaces; |
|
|
|
if (device_ctx->type == AV_HWDEVICE_TYPE_DXVA2) { |
|
frames_ctx->format = AV_PIX_FMT_DXVA2_VLD; |
|
} else if (device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) { |
|
frames_ctx->format = AV_PIX_FMT_D3D11; |
|
} else { |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
/* decoding MPEG-2 requires additional alignment on some Intel GPUs, |
|
but it causes issues for H.264 on certain AMD GPUs..... */ |
|
if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) |
|
surface_alignment = 32; |
|
/* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure |
|
all coding features have enough room to work with */ |
|
else if (avctx->codec_id == AV_CODEC_ID_HEVC) |
|
surface_alignment = 128; |
|
else |
|
surface_alignment = 16; |
|
|
|
/* 1 base work surface */ |
|
num_surfaces = 1; |
|
|
|
/* add surfaces based on number of possible refs */ |
|
if (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_HEVC) |
|
num_surfaces += 16; |
|
else |
|
num_surfaces += 2; |
|
|
|
/* add extra surfaces for frame threading */ |
|
if (avctx->active_thread_type & FF_THREAD_FRAME) |
|
num_surfaces += avctx->thread_count; |
|
|
|
frames_ctx->sw_format = avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ? |
|
AV_PIX_FMT_P010 : AV_PIX_FMT_NV12; |
|
frames_ctx->width = FFALIGN(avctx->coded_width, surface_alignment); |
|
frames_ctx->height = FFALIGN(avctx->coded_height, surface_alignment); |
|
frames_ctx->initial_pool_size = num_surfaces; |
|
|
|
|
|
#if CONFIG_DXVA2 |
|
if (frames_ctx->format == AV_PIX_FMT_DXVA2_VLD) { |
|
AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx; |
|
|
|
frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget; |
|
} |
|
#endif |
|
|
|
#if CONFIG_D3D11VA |
|
if (frames_ctx->format == AV_PIX_FMT_D3D11) { |
|
AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx; |
|
|
|
frames_hwctx->BindFlags |= D3D11_BIND_DECODER; |
|
} |
|
#endif |
|
|
|
return 0; |
|
} |
|
|
|
int ff_dxva2_decode_init(AVCodecContext *avctx) |
|
{ |
|
FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
|
AVHWFramesContext *frames_ctx; |
|
enum AVHWDeviceType dev_type = avctx->hwaccel->pix_fmt == AV_PIX_FMT_DXVA2_VLD |
|
? AV_HWDEVICE_TYPE_DXVA2 : AV_HWDEVICE_TYPE_D3D11VA; |
|
int ret = 0; |
|
|
|
// Old API. |
|
if (avctx->hwaccel_context) |
|
return 0; |
|
|
|
// (avctx->pix_fmt is not updated yet at this point) |
|
sctx->pix_fmt = avctx->hwaccel->pix_fmt; |
|
|
|
ret = ff_decode_get_hw_frames_ctx(avctx, dev_type); |
|
if (ret < 0) |
|
return ret; |
|
|
|
frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data; |
|
sctx->device_ctx = frames_ctx->device_ctx; |
|
|
|
if (frames_ctx->format != sctx->pix_fmt) { |
|
av_log(avctx, AV_LOG_ERROR, "Invalid pixfmt for hwaccel!\n"); |
|
ret = AVERROR(EINVAL); |
|
goto fail; |
|
} |
|
|
|
#if CONFIG_D3D11VA |
|
if (sctx->pix_fmt == AV_PIX_FMT_D3D11) { |
|
AVD3D11VADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx; |
|
AVD3D11VAContext *d3d11_ctx = &sctx->ctx.d3d11va; |
|
|
|
ff_dxva2_lock(avctx); |
|
ret = d3d11va_create_decoder(avctx); |
|
ff_dxva2_unlock(avctx); |
|
if (ret < 0) |
|
goto fail; |
|
|
|
d3d11_ctx->decoder = sctx->d3d11_decoder; |
|
d3d11_ctx->video_context = device_hwctx->video_context; |
|
d3d11_ctx->cfg = &sctx->d3d11_config; |
|
d3d11_ctx->surface_count = sctx->nb_d3d11_views; |
|
d3d11_ctx->surface = sctx->d3d11_views; |
|
d3d11_ctx->workaround = sctx->workaround; |
|
d3d11_ctx->context_mutex = INVALID_HANDLE_VALUE; |
|
} |
|
#endif |
|
|
|
#if CONFIG_DXVA2 |
|
if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
|
AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx; |
|
struct dxva_context *dxva_ctx = &sctx->ctx.dxva2; |
|
|
|
ff_dxva2_lock(avctx); |
|
ret = dxva2_create_decoder(avctx); |
|
ff_dxva2_unlock(avctx); |
|
if (ret < 0) |
|
goto fail; |
|
|
|
dxva_ctx->decoder = sctx->dxva2_decoder; |
|
dxva_ctx->cfg = &sctx->dxva2_config; |
|
dxva_ctx->surface = frames_hwctx->surfaces; |
|
dxva_ctx->surface_count = frames_hwctx->nb_surfaces; |
|
dxva_ctx->workaround = sctx->workaround; |
|
} |
|
#endif |
|
|
|
return 0; |
|
|
|
fail: |
|
ff_dxva2_decode_uninit(avctx); |
|
return ret; |
|
} |
|
|
|
int ff_dxva2_decode_uninit(AVCodecContext *avctx) |
|
{ |
|
FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
|
int i; |
|
|
|
av_buffer_unref(&sctx->decoder_ref); |
|
|
|
#if CONFIG_D3D11VA |
|
for (i = 0; i < sctx->nb_d3d11_views; i++) { |
|
if (sctx->d3d11_views[i]) |
|
ID3D11VideoDecoderOutputView_Release(sctx->d3d11_views[i]); |
|
} |
|
av_freep(&sctx->d3d11_views); |
|
#endif |
|
|
|
#if CONFIG_DXVA2 |
|
if (sctx->dxva2_service) |
|
IDirectXVideoDecoderService_Release(sctx->dxva2_service); |
|
#endif |
|
|
|
return 0; |
|
} |
|
|
|
static void *get_surface(const AVCodecContext *avctx, const AVFrame *frame) |
|
{ |
|
#if CONFIG_D3D11VA |
|
if (frame->format == AV_PIX_FMT_D3D11) { |
|
FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
|
intptr_t index = (intptr_t)frame->data[1]; |
|
if (index < 0 || index >= sctx->nb_d3d11_views || |
|
sctx->d3d11_texture != (ID3D11Texture2D *)frame->data[0]) { |
|
av_log((void *)avctx, AV_LOG_ERROR, "get_buffer frame is invalid!\n"); |
|
return NULL; |
|
} |
|
return sctx->d3d11_views[index]; |
|
} |
|
#endif |
|
return frame->data[3]; |
|
} |
|
|
|
unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, |
|
const AVDXVAContext *ctx, |
|
const AVFrame *frame) |
|
{ |
|
void *surface = get_surface(avctx, frame); |
|
unsigned i; |
|
|
|
#if CONFIG_D3D11VA |
|
if (avctx->pix_fmt == AV_PIX_FMT_D3D11) |
|
return (intptr_t)frame->data[1]; |
|
if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) { |
|
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc; |
|
ID3D11VideoDecoderOutputView_GetDesc((ID3D11VideoDecoderOutputView*) surface, &viewDesc); |
|
return viewDesc.Texture2D.ArraySlice; |
|
} |
|
#endif |
|
#if CONFIG_DXVA2 |
|
for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++) { |
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD && ctx->dxva2.surface[i] == surface) |
|
return i; |
|
} |
|
#endif |
|
|
|
assert(0); |
|
return 0; |
|
} |
|
|
|
int ff_dxva2_commit_buffer(AVCodecContext *avctx, |
|
AVDXVAContext *ctx, |
|
DECODER_BUFFER_DESC *dsc, |
|
unsigned type, const void *data, unsigned size, |
|
unsigned mb_count) |
|
{ |
|
void *dxva_data; |
|
unsigned dxva_size; |
|
int result; |
|
HRESULT hr; |
|
|
|
#if CONFIG_D3D11VA |
|
if (ff_dxva2_is_d3d11(avctx)) |
|
hr = ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, |
|
D3D11VA_CONTEXT(ctx)->decoder, |
|
type, |
|
&dxva_size, &dxva_data); |
|
#endif |
|
#if CONFIG_DXVA2 |
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) |
|
hr = IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, type, |
|
&dxva_data, &dxva_size); |
|
#endif |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %u: 0x%x\n", |
|
type, (unsigned)hr); |
|
return -1; |
|
} |
|
if (size <= dxva_size) { |
|
memcpy(dxva_data, data, size); |
|
|
|
#if CONFIG_D3D11VA |
|
if (ff_dxva2_is_d3d11(avctx)) { |
|
D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = dsc; |
|
memset(dsc11, 0, sizeof(*dsc11)); |
|
dsc11->BufferType = type; |
|
dsc11->DataSize = size; |
|
dsc11->NumMBsInBuffer = mb_count; |
|
} |
|
#endif |
|
#if CONFIG_DXVA2 |
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
|
DXVA2_DecodeBufferDesc *dsc2 = dsc; |
|
memset(dsc2, 0, sizeof(*dsc2)); |
|
dsc2->CompressedBufferType = type; |
|
dsc2->DataSize = size; |
|
dsc2->NumMBsInBuffer = mb_count; |
|
} |
|
#endif |
|
|
|
result = 0; |
|
} else { |
|
av_log(avctx, AV_LOG_ERROR, "Buffer for type %u was too small\n", type); |
|
result = -1; |
|
} |
|
|
|
#if CONFIG_D3D11VA |
|
if (ff_dxva2_is_d3d11(avctx)) |
|
hr = ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type); |
|
#endif |
|
#if CONFIG_DXVA2 |
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) |
|
hr = IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type); |
|
#endif |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, |
|
"Failed to release buffer type %u: 0x%x\n", |
|
type, (unsigned)hr); |
|
result = -1; |
|
} |
|
return result; |
|
} |
|
|
|
static int frame_add_buf(AVFrame *frame, AVBufferRef *ref) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < AV_NUM_DATA_POINTERS; i++) { |
|
if (!frame->buf[i]) { |
|
frame->buf[i] = av_buffer_ref(ref); |
|
return frame->buf[i] ? 0 : AVERROR(ENOMEM); |
|
} |
|
} |
|
|
|
// For now we expect that the caller does not use more than |
|
// AV_NUM_DATA_POINTERS-1 buffers if the user uses a custom pool. |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame, |
|
const void *pp, unsigned pp_size, |
|
const void *qm, unsigned qm_size, |
|
int (*commit_bs_si)(AVCodecContext *, |
|
DECODER_BUFFER_DESC *bs, |
|
DECODER_BUFFER_DESC *slice)) |
|
{ |
|
AVDXVAContext *ctx = DXVA_CONTEXT(avctx); |
|
unsigned buffer_count = 0; |
|
#if CONFIG_D3D11VA |
|
D3D11_VIDEO_DECODER_BUFFER_DESC buffer11[4]; |
|
#endif |
|
#if CONFIG_DXVA2 |
|
DXVA2_DecodeBufferDesc buffer2[4]; |
|
#endif |
|
DECODER_BUFFER_DESC *buffer,*buffer_slice; |
|
int result, runs = 0; |
|
HRESULT hr; |
|
unsigned type; |
|
FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
|
|
|
if (sctx->decoder_ref) { |
|
result = frame_add_buf(frame, sctx->decoder_ref); |
|
if (result < 0) |
|
return result; |
|
} |
|
|
|
do { |
|
ff_dxva2_lock(avctx); |
|
#if CONFIG_D3D11VA |
|
if (ff_dxva2_is_d3d11(avctx)) |
|
hr = ID3D11VideoContext_DecoderBeginFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, |
|
get_surface(avctx, frame), |
|
0, NULL); |
|
#endif |
|
#if CONFIG_DXVA2 |
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) |
|
hr = IDirectXVideoDecoder_BeginFrame(DXVA2_CONTEXT(ctx)->decoder, |
|
get_surface(avctx, frame), |
|
NULL); |
|
#endif |
|
if (hr != E_PENDING || ++runs > 50) |
|
break; |
|
ff_dxva2_unlock(avctx); |
|
av_usleep(2000); |
|
} while(1); |
|
|
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%x\n", (unsigned)hr); |
|
ff_dxva2_unlock(avctx); |
|
return -1; |
|
} |
|
|
|
#if CONFIG_D3D11VA |
|
if (ff_dxva2_is_d3d11(avctx)) { |
|
buffer = &buffer11[buffer_count]; |
|
type = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS; |
|
} |
|
#endif |
|
#if CONFIG_DXVA2 |
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
|
buffer = &buffer2[buffer_count]; |
|
type = DXVA2_PictureParametersBufferType; |
|
} |
|
#endif |
|
result = ff_dxva2_commit_buffer(avctx, ctx, buffer, |
|
type, |
|
pp, pp_size, 0); |
|
if (result) { |
|
av_log(avctx, AV_LOG_ERROR, |
|
"Failed to add picture parameter buffer\n"); |
|
goto end; |
|
} |
|
buffer_count++; |
|
|
|
if (qm_size > 0) { |
|
#if CONFIG_D3D11VA |
|
if (ff_dxva2_is_d3d11(avctx)) { |
|
buffer = &buffer11[buffer_count]; |
|
type = D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX; |
|
} |
|
#endif |
|
#if CONFIG_DXVA2 |
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
|
buffer = &buffer2[buffer_count]; |
|
type = DXVA2_InverseQuantizationMatrixBufferType; |
|
} |
|
#endif |
|
result = ff_dxva2_commit_buffer(avctx, ctx, buffer, |
|
type, |
|
qm, qm_size, 0); |
|
if (result) { |
|
av_log(avctx, AV_LOG_ERROR, |
|
"Failed to add inverse quantization matrix buffer\n"); |
|
goto end; |
|
} |
|
buffer_count++; |
|
} |
|
|
|
#if CONFIG_D3D11VA |
|
if (ff_dxva2_is_d3d11(avctx)) { |
|
buffer = &buffer11[buffer_count + 0]; |
|
buffer_slice = &buffer11[buffer_count + 1]; |
|
} |
|
#endif |
|
#if CONFIG_DXVA2 |
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
|
buffer = &buffer2[buffer_count + 0]; |
|
buffer_slice = &buffer2[buffer_count + 1]; |
|
} |
|
#endif |
|
|
|
result = commit_bs_si(avctx, |
|
buffer, |
|
buffer_slice); |
|
if (result) { |
|
av_log(avctx, AV_LOG_ERROR, |
|
"Failed to add bitstream or slice control buffer\n"); |
|
goto end; |
|
} |
|
buffer_count += 2; |
|
|
|
/* TODO Film Grain when possible */ |
|
|
|
assert(buffer_count == 1 + (qm_size > 0) + 2); |
|
|
|
#if CONFIG_D3D11VA |
|
if (ff_dxva2_is_d3d11(avctx)) |
|
hr = ID3D11VideoContext_SubmitDecoderBuffers(D3D11VA_CONTEXT(ctx)->video_context, |
|
D3D11VA_CONTEXT(ctx)->decoder, |
|
buffer_count, buffer11); |
|
#endif |
|
#if CONFIG_DXVA2 |
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
|
DXVA2_DecodeExecuteParams exec = { |
|
.NumCompBuffers = buffer_count, |
|
.pCompressedBuffers = buffer2, |
|
.pExtensionData = NULL, |
|
}; |
|
hr = IDirectXVideoDecoder_Execute(DXVA2_CONTEXT(ctx)->decoder, &exec); |
|
} |
|
#endif |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to execute: 0x%x\n", (unsigned)hr); |
|
result = -1; |
|
} |
|
|
|
end: |
|
#if CONFIG_D3D11VA |
|
if (ff_dxva2_is_d3d11(avctx)) |
|
hr = ID3D11VideoContext_DecoderEndFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder); |
|
#endif |
|
#if CONFIG_DXVA2 |
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) |
|
hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL); |
|
#endif |
|
ff_dxva2_unlock(avctx); |
|
if (FAILED(hr)) { |
|
av_log(avctx, AV_LOG_ERROR, "Failed to end frame: 0x%x\n", (unsigned)hr); |
|
result = -1; |
|
} |
|
|
|
return result; |
|
} |
|
|
|
int ff_dxva2_is_d3d11(const AVCodecContext *avctx) |
|
{ |
|
if (CONFIG_D3D11VA) |
|
return avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD || |
|
avctx->pix_fmt == AV_PIX_FMT_D3D11; |
|
else |
|
return 0; |
|
}
|
|
|